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The penis and scrotum can deal involuntarily in reaction to chilly temperatures, nervous or nervous stage and participation in sports.[9] This minimize of flaccid penis measurement is referred to via the slang phrase "shrinkage", as a consequence of action with the cremaster muscle mass. A similar phenomenon impacts cyclists and work out bike peopl

An uncircumcised human penis, flaccid and erect. Flaccid length is usually a bad predictor for erect duration. Restricted to no statistically considerable correlation between penis dimension and the dimensions of other body parts has actually been located in investigation.Some environmental components Besides genetics, such as the presence of endoc